Astartes - a fan made animation
An utterly amazing set of youtube videos created by a fan of Adeptus Astartes (Space Marines).
It covers the story of a tactical squad of Space marines making a assault on a Traitor Space vessel and using its combat skills, experience and stupendous cool equipment to overcome (kill) all opposition as they damn heretical traitors.
List of Videos:
There are currently a teaser and 4 videos: